Description: Distinctiveline,Elasticity Persistent,Easy to cut and tie secure knots; Round elastic thread made from rubber covered with braided polyester silk; Muli-purpose,Make jewelry such as Buddhist bead string, beads, pony beads, or adjustable bracelets or necklaces; Design travel journals, menu or book binding, masks, hair ties, party hats, doll making, hand sewing, even cat toys; Waterproof,changeable style,as you play,Tighten and Strong;very durable and flexible